Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"chan dung dan snippets" » "van dung dan snippets", "dan dung dan snippets", "chan dung dat snippets", "chan dung san snippets", "chan tung dan snippets", "chan dung dan slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("chan dung dan snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chan dung dan snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chan dung dan snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chan dung dan snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.